If you’re at all a server geek, you’ve likely read High Scalability before now. If not, you’re in for a treat. This massive inside look into the workings of Tumblr is impressive. They push huge numbers, and this article outlines just how they’re doing it.

While Tumblr has had some stability… issues over the past year or so, these numbers help give that some context, and also illustrate what they’re doing to actively tackle that problem day to day.